This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 112c. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.
Various aspects of overload resolution, such as determining viable functions, specification of conversion sequences, etc., should apply when there is only one function in the overload set, but currently overload resolution is only invoked to choose among multiple functions.
Proposed resolution (March, 2018):
This issue is resolved by the resolution of issue 2092.